How severe is CVE-2025-3069?

CVE-2025-3069 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-3069 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3069?

CVE-2025-3069 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3069?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-3069 have an EU (EUVD) identifier?

Yes. CVE-2025-3069 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9503.

When was CVE-2025-3069 published?

CVE-2025-3069 was published on 2025-04-02 and last updated on 2026-06-17.

CVE-2025-3069

CVE-2025-3069 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-358.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9503
Weakness: CWE-358
Affected product: Google Chrome
Published: 2025-04-02
Last modified: 2026-06-17

Description

Inappropriate implementation in Extensions in Google Chrome prior to 135.0.7049.52 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2025-3069?: Inappropriate implementation in Extensions in Google Chrome prior to 135.0.7049.52 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2025-3069?: CVE-2025-3069 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3069 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3069?: CVE-2025-3069 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3069?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-3069 have an EU (EUVD) identifier?: Yes. CVE-2025-3069 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9503.
When was CVE-2025-3069 published?: CVE-2025-3069 was published on 2025-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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